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Finding the Third Proportional to 40,727 and 85,828

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Solution

The third proportional to 40,727 and 85,828 is: 180,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,727 : 85,828 = 85,828 : x
  2. Step 2: Convert to fraction form
    40,727/85,828 = 85,828/x
  3. Step 3: Cross multiply
    40,727x = 85,828 × 85,828
  4. Step 4: Simplify right side
    40,727x = 7,366,445,584
  5. Step 5: Solve for x
    x = 7,366,445,584/40,727
  6. Step 6: Final answer
    x = 180,873.76

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.